matthew/The-Powder-Toy
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Specific delete speed increase, delete useless(?) if statement

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Jacob1 2011-11-22 17:46:01 -05:00
parent 5f51cb3042
commit dea920680b
1 changed files with 15 additions and 24 deletions
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37
src/powder.c
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@ -3111,31 +3111,22 @@ int create_parts(int x, int y, int rx, int ry, int c, int flags)
delete_part(x, y, flags);
}
else
for (j=-ry; j<=ry; j++)
for (i=-rx; i<=rx; i++)
if (InCurrentBrush(i ,j ,rx ,ry))
delete_part(x+i, y+j, flags);
return 1;
{
int tempy = y, i, j, jmax;
if (CURRENT_BRUSH == TRI_BRUSH)
tempy = y + ry;
for (i = x - rx; i <= x; i++) {
while (InCurrentBrush(i-x,tempy-y,rx,ry))
tempy = tempy - 1;
tempy = tempy + 1;
jmax = 2*y - tempy;
if (CURRENT_BRUSH == TRI_BRUSH)
jmax = y + ry;
for (j = tempy; j <= jmax; j++) {
delete_part(i, j, flags);
delete_part(2*x-i, j, flags);
}
//why do these need a special if
if (c == SPC_AIR || c == SPC_HEAT || c == SPC_COOL || c == SPC_VACUUM || c == SPC_PGRV || c == SPC_NGRV)
{
if (rx==0&&ry==0)
{
create_part(-2, x, y, c);
}
else
for (j=-ry; j<=ry; j++)
for (i=-rx; i<=rx; i++)
if (InCurrentBrush(i ,j ,rx ,ry))
{
if ( x+i<0 || y+j<0 || x+i>=XRES || y+j>=YRES)
continue;
if (!REPLACE_MODE)
create_part(-2, x+i, y+j, c);
else if ((pmap[y+j][x+i]&0xFF)==SLALT&&SLALT!=0)
create_part(-2, x+i, y+j, c);
}
return 1;
}